IMA mineral species

Betpakdalite-NaCa

[Na₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₄(OH)₃]

Heteropolymolybdate mineral.

Betpakdalite-NaCa specimen
Betpakdalite-NaCa.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula[Na₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₄(OH)₃]
ElementsNa, H, O, Ca, Mo, As, Fe
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolBpd-NaCa
Nickel–Strunz class8.DM.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.